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LTC3220 Datasheet 360ma Universal 18-channel Led Driver

Manufacturer: Linear Technology Corporation

General Description

The LTC®3220/LTC3220-1 are highly integrated multidisplay LED drivers.

These parts contain a high efficiency, low noise charge pump to provide power to up to eighteen universal LED current sources.

The LTC3220/LTC3220-1 require only five small ceramic capacitors to form a plete LED power supply and current controller.

Key Features

  • n Eighteen 20mA Universal Current Sources with 64-Step Linear Brightness Control n Independent On/Off, Brightness Level, Blinking and Gradation Control for Each Current Source Using 2-Wire I2C Interface n Low Noise Multi-Mode Charge Pump (1x, 1.5x, 2x) Provides Up to 91% Efficiency n Slew Limited Switching Reduces Conducted and Radiated Noise (EMI) n Up to 360mA Total Output Current n Internal Current Reference n Single Reset Pin for Asynchronous Shutdown and Reset of All Data Registers n Two I2.

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